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TypeScript 4.5 arrives with Promise improvements
pubsub.slavino.sk / infoworldcom · Thursday, 18 November, 2021 - 21:10 edit
TypeScript 4.5, the latest upgrade to Microsoft’s strongly typed language based on JavaScript, is now generally available.
The release features a new utility type, the
Awaited
type, for modeling operations such as
await
in
async
functions or the
.then()
method on
Promise
objects. However, another capability originally planned for TypeScript 4.5, support for ECMAScript modules in Node.js 12, has been deferred to a later version of TypeScript.
[ Also on InfoWorld: 7 tools transforming JavaScript development ]
Node.js, which can work with TypeScript, has been working to support ECMAScript modules (ESM), which enable packaging of JavaScript code for reuse. This work has been difficult because Node.js was built on a different module system, CommonJS, Microsoft said. But ESM was largely implemented in Node.js 12.
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Značky: #Rozne, #Typescript, #Node.js, #JavaScript